BluePrint Engines BPP12110348 GM Small Block Compatible Bare Block 9.025 Deck 4.125 Bore 400 Main Splayed

BluePrint Engines BPP12110348 GM Small Block Compatible Bare Block 9.025 Deck 4.125 Bore 400 Main Splayed

Part# BPP12110348

  • Made in USA
  • GM Compatible

$3,999.99

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BluePrint Engines Bare Block - 454 c.i. - SBC 2PC SIAM 9.025 x 4.125 400MAIN BILLET MC SC

Specifications

Cylinder Bore (Rough)4.120" to 4.122"
Cylinder Bore (Max)4.250"
Cam Bearing Bore Id2.000"+/- .001"
Cam BearingsDurabond GMP-8
Camshaft PositionOEM
Cam Drive / Timing SetOEM equivalent
Cam Retaining PlateOEM
Cubic Inch (Max)454
Cylinder Wall Thickness.230" Nominal @ Max Bore
Water Jacket StyleSiamese
Cylinder Skirt Length5.800" Nominal
Deck Height9.025" +.005" / -.000"
Deck Thickness.600" Nominal
Freeze / Core Plugs1-5/8" x 10
Head Bolt Threads7/16-14 UNC
Lifter Bores.8437" +/- .0003"
Lifter Retainer (If Not Using Tie Bar Lifters)OEM W/Roller Provisions
Main Bearing Bore (Line Honed)400 Main - 2.8400" - 2.8405"
Main Bearing CapsBillet Steel 4-Bolt Splayed
Main Cap Bolts7/16-14 Inner / 3/8-16 splayed
Main Fastener Tensile Strength180,000 to 210,000 PSI
Material (Block)EN-GJL-250 Iron
Oil SystemPriority Main
Oil PumpOEM
Oil FilterOEM
Oil PanOEM
Fuel PumpOEM
Rear Main Seal2 piece
StarterOEM
Stroke (Max)Clearanced for 4.000" stroke
Timing CoverOEM
Weight With Main Caps170-190lbs
Country of originUSA
Shipping weight190 lb
Shipping size26 x 23.5 x 22.5 in